UCC28951: Suitable controller for PSFB topology, startup at -55C

Sabi varghese

Part Number: UCC28951
Other Parts Discussed in Thread: UCC2895-EP, , UCC28950

Hello,

We are looking for a PWM controller for PSFB topology, 500W AC to DC converter, after soaking for 2 hours at -55C ambient power supply shall be able to start when the power is applied. Plz suggest suitable controller IC for this application

over 4 years ago

0 Yunsheng Qu over 4 years ago

TI__Genius 9790 points

Hi, Sabi

UCC2895-EP is recommended.

Yunsheng

0 Sabi varghese over 4 years ago in reply to Yunsheng Qu

Prodigy 70 points

Hi Yunsheng

Thank you for the response, we were looking if any of your latest generation PSFB control IC can be used (Preferably ucc28951 or ucc28950) that provides secondary synchronous rectification drive, like -55C screened version or so, plz let us know.

RE: UCC28951: Suitable controller for PSFB topology, startup at -55C

0 Yunsheng Qu over 4 years ago in reply to Sabi varghese

TI__Genius 9790 points

Hi, Sabi

UCC28950/1 only can support -40C.

Yunsheng

Power management

Power management forum

UCC28951: Suitable controller for PSFB topology, startup at -55C